Journal
ACS NANO
Volume 5, Issue 2, Pages 994-1002Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn102411s
Keywords
carbon nanotube; contact transfer; multilevel; multicomponent; multifunctionality
Categories
Funding
- BIT, NSFC [21004006]
- 111 Project in China [B07012]
- Research Foundation for the Doctoral Program of Higher Education of China [20101101120036]
- SRF for ROCS, SEM [20100732002]
- program for the new century excellent talents in University [NCET-10-0047]
- AFOSR [FA9550-10-1-0546, FA9550-09-1-0331]
- NSF [CMMI-1047655]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1047655] Funding Source: National Science Foundation
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A simple multiple contact transfer technique has been developed for controllable fabrication of multilevel, multicomponent microarchitectures of vertically aligned carbon nanotubes (VA-CNTs). Three dimensional (3-D) multicomponent micropatterns of aligned single-walled carbon nanotubes (SWNTs) and multiwalled carbon nanotubes (MWNTs) have been fabricated, which can be used to develop a newly designed touch sensor with reversible electrical responses for potential applications in electronic devices, as demonstrated in this study. The demonstrated dependence of light diffraction on structural transfiguration of the resultant CNT micropattern also indicates their potential for optical devices. Further Introduction of various components with specific properties (e.g., ZnO nanorods) into the CNT miaopatterns enabled us to tailor such surface characteristics as wettability and light response. Owing to the highly generic nature of the multiple contact transfer strategy, the methodology developed here could provide a general approach for interposing a large variety of multicomponent elements (e.g., nanotubes, nanorods/wires, photonic crystals, etc.) onto a single chip for multifunctional device applications.
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